Improper input validation in Free5gc
CVE-2026-44325
free5GC is an open-source implementation of the 5G core network. Prior to 4.2.2, free5GC's NRF root SBI endpoint POST /oauth2/token contains a parser-level type-confusion bug family. The handler in NFs/nrf/internal/sbi/api_accesstoken.go r…
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
EPSS: 0.001 (31.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Free5gc — versions < 4.2.2
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM, Exploit, Vendor Advisory)
- security-advisories@github.com (Exploit, x_refsource_MISC, Issue Tracking)
- security-advisories@github.com (Patch, x_refsource_MISC, Issue Tracking)
- security-advisories@github.com (Patch, x_refsource_MISC)
Frequently asked questions
- What is CVE-2026-44325?
- CVE-2026-44325 is a high-severity vulnerability in Free5gc, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2026-05-27.
- How severe is CVE-2026-44325?
- High severity. CVSS v3 base score is 7.5 out of 10.